﻿using System;

using Math;


namespace Math
{

    public class math : Imath
    {
        public double Add(double x, double y)
        {
            return x + y;
        }

        public double Div(double x, double y)
        {
            return x - y;
        }

        public double Mul(double x, double y)
        {
            return x * y;
        }

        public double Sub(double x, double y)
        {
            return x / y;
        }
    }

}
